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<s id="1">
 <w id="w1.1">Photo</w>
 <w id="w1.2">:</w> 
 <w id="w1.3">thinkstock.com</w>
</s>
 
<s id="2">
 <w id="w2.1">When</w> 
 <w id="w2.2">there</w> 
 <w id="w2.3">is</w> 
 <w id="w2.4">a</w> 
 <w id="w2.5">suspicion</w> 
 <w id="w2.6">that</w> 
 <w id="w2.7">tap</w> 
 <w id="w2.8">water</w> 
 <w id="w2.9">contains</w> 
 <w id="w2.10">bacteria</w>
 <w id="w2.11">,</w> 
 <w id="w2.12">viruses</w> 
 <w id="w2.13">or</w> 
 <w id="w2.14">parasites</w> 
 <w id="w2.15">that</w> 
 <w id="w2.16">could</w> 
 <w id="w2.17">make</w> 
 <w id="w2.18">you</w> 
 <w id="w2.19">ill</w>
 <w id="w2.20">,</w> 
 <w id="w2.21">your</w> 
 <w id="w2.22">local</w> 
 <w id="w2.23">authority</w> 
 <w id="w2.24">recommends</w> 
 <w id="w2.25">that</w> 
 <w id="w2.26">the</w> 
 <w id="w2.27">water</w> 
 <w id="w2.28">should</w> 
 <w id="w2.29">be</w> 
 <w id="w2.30">boiled</w> 
 <w id="w2.31">before</w> 
 <w id="w2.32">being</w> 
 <w id="w2.33">drunk</w> 
 <w id="w2.34">or</w> 
 <w id="w2.35">used</w> 
 <w id="w2.36">to</w> 
 <w id="w2.37">prepare</w> 
 <w id="w2.38">food</w>
 <w id="w2.39">.</w>
</s>
 
<s id="3">
 <w id="w3.1">This</w> 
 <w id="w3.2">is</w> 
 <w id="w3.3">what</w> 
 <w id="w3.4">to</w> 
 <w id="w3.5">do</w> 
 <w id="w3.6">when</w> 
 <w id="w3.7">your</w> 
 <w id="w3.8">local</w> 
 <w id="w3.9">authority</w> 
 <w id="w3.10">recommends</w> 
 <w id="w3.11">that</w> 
 <w id="w3.12">drinking</w> 
 <w id="w3.13">water</w> 
 <w id="w3.14">should</w> 
 <w id="w3.15">be</w> 
 <w id="w3.16">boiled</w>
 <w id="w3.17">:</w>
</s>
 
<s id="4">
 <w id="w4.1">Boil</w> 
 <w id="w4.2">all</w> 
 <w id="w4.3">water</w> 
 <w id="w4.4">that</w> 
 <w id="w4.5">is</w> 
 <w id="w4.6">to</w> 
 <w id="w4.7">be</w> 
 <w id="w4.8">drunk</w> 
 <w id="w4.9">or</w> 
 <w id="w4.10">used</w> 
 <w id="w4.11">to</w> 
 <w id="w4.12">prepare</w> 
 <w id="w4.13">food</w>
 <w id="w4.14">.</w>
</s>
 
<s id="5">
 <w id="w5.1">Boil</w> 
 <w id="w5.2">the</w> 
 <w id="w5.3">water</w> 
 <w id="w5.4">in</w> 
 <w id="w5.5">a</w> 
 <w id="w5.6">saucepan</w> 
 <w id="w5.7">or</w> 
 <w id="w5.8">kettle</w> 
 <w id="w5.9">until</w> 
 <w id="w5.10">it</w> 
 <w id="w5.11">is</w> 
 <w id="w5.12">bubbling</w>